Behaviour of the alloy AA2017 in aqueous solutions of NaCl. Part I: Corrosion mechanisms

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URI: http://hdl.handle.net/10498/30344

DOI: 10.1016/j.corsci.2008.12.027

ISSN: 0010-938X

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Author/s
Bethencourt Núñez, ManuelAuthority UCA; Botana Pedemonte, Francisco JavierAuthority UCA; Cano, M.J.; Marcos Bárcena, Mariano; Sánchez Amaya, José MaríaAuthority UCA; González Rovira, LeandroAuthority UCA
Date
2009
Department
Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica
Source
Corrosion Science 51 (2009) 518–524
Abstract
This paper reports a study carried out on the morphological characteristics the Al–Cu alloy AA2017-T3; its behaviour against corrosion in aqueous solutions of NaCl 0.59 M has been evaluated by immersion during 0–48 h. The techniques employed for this study are SEM and EDS. The results obtained have been verified by electrochemical assays based on monitoring the corrosion potential of the system in OCP, LP and EIS. The behaviour of the intermetallics present in the matrix of the alloy suggests that the design of an effective system of protection should involve the use of cathodic inhibitors.
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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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